And, as revealed today when the Brit's workout routine left him hanging upside down in London's Primrose Hill district, it turns out he's one for the ancient Eastern practice of cupping—as are his wife and many of their fellow celebs.

Martin exposed the telltale circular marks of the treatment, which is said to increase circulation and help detoxify the body, on his back when his T-shirt flipped up. Afterward, he lost the shirt altogether and stood still, allowing an obliging paparazzo to capture the musician in repose.

Not to mention the his abs.

INFphoto.com

Paltrow, meanwhile, has been busy with Iron Man 3 duties—though no one was talking about the movie after she showed up to the film's Hollywood premiere in a see-through dress that didn't allow for underwear.

"I just thought it was really beautiful and it sort of has a superhero thing happening," she told E! News on the red carpet about her Antonio Berardi gown.